TWI672346B - Filter media - Google Patents
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- TWI672346B TWI672346B TW106141796A TW106141796A TWI672346B TW I672346 B TWI672346 B TW I672346B TW 106141796 A TW106141796 A TW 106141796A TW 106141796 A TW106141796 A TW 106141796A TW I672346 B TWI672346 B TW I672346B
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Abstract
一種濾材，包括熔噴不織布以及包覆層。熔噴不織布包括彼此交錯的多條熔噴纖維。包覆層包覆每一熔噴纖維，其中包覆層的材質包括聚矽氮氟化合物，以及包覆層的重量為3%至15%的熔噴不織布的重量。A filter material comprising a meltblown nonwoven fabric and a cover layer. The meltblown nonwoven fabric includes a plurality of meltblown fibers interlaced with each other. The cladding layer coats each of the meltblown fibers, wherein the material of the coating layer comprises polyfluorinated nitrofluoride, and the weight of the meltblown nonwoven fabric is 3% to 15% by weight of the coating layer.
Description
本發明是有關於一種濾材，且特別是有關於一種化學纖維濾材。This invention relates to a filter material, and more particularly to a chemical fiber filter material.
許多先進材料加工製程與精密加工製程都會產生容易對環境、氛圍或機械造成污損或者對人體健康造成危害而使作業環境惡化的懸浮油霧。然而，目前就以濾材捕捉懸浮油霧而言仍存在許多限制，例如玻璃纖維濾材的質地硬脆易有浮纖及短纖飄散的問題，或者傳統化學纖維濾材無法拒水拒油，使得其表面或空隙中易形成水幔及/或油膜而影響捕捉效果及縮短使用壽命。因此，開發具疏水性及疏油性的化學纖維濾材已成為目前本領域之技術人員亟欲解決的問題之一。Many advanced material processing processes and precision machining processes produce suspended oil mist that can easily deface the environment, atmosphere or machinery, or cause harm to human health and deteriorate the working environment. However, there are still many limitations in the use of filter media to capture suspended oil mist. For example, the texture of the glass fiber filter material is hard and brittle, and the problem of floating fiber and short fiber is scattered, or the traditional chemical fiber filter material cannot resist water and oil, so that the surface thereof Or water droplets and/or oil film are easily formed in the voids to affect the capturing effect and shorten the service life. Therefore, the development of a hydrophobic and oleophobic chemical fiber filter material has become one of the problems that those skilled in the art are currently trying to solve.
本發明提供一種濾材，其具有疏水性及疏油性，且對油霧具有良好的捕捉效果。The invention provides a filter material which has hydrophobicity and oleophobicity and has a good capturing effect on oil mist.
本發明的濾材包括熔噴不織布以及包覆層。熔噴不織布包括彼此交錯的多條熔噴纖維。包覆層包覆每一熔噴纖維，其中包覆層的材質包括聚矽氮氟化合物，以及包覆層的重量為3%至15%的熔噴不織布的重量。The filter material of the present invention comprises a meltblown nonwoven fabric and a cover layer. The meltblown nonwoven fabric includes a plurality of meltblown fibers interlaced with each other. The cladding layer coats each of the meltblown fibers, wherein the material of the coating layer comprises polyfluorinated nitrofluoride, and the weight of the meltblown nonwoven fabric is 3% to 15% by weight of the coating layer.
在本發明的一實施方式中，上述的多條熔噴纖維的材質包括聚烯烴、聚酯或聚醯胺。In an embodiment of the invention, the material of the plurality of meltblown fibers comprises polyolefin, polyester or polyamine.
在本發明的一實施方式中，上述的多條熔噴纖維包括多條微米纖維。In an embodiment of the invention, the plurality of meltblown fibers comprise a plurality of microfibers.
在本發明的一實施方式中，每一上述的微米纖維的直徑介於1 µm至50 µm。In an embodiment of the invention, each of the above-mentioned microfibers has a diameter of from 1 μm to 50 μm.
在本發明的一實施方式中，上述的多條熔噴纖維更包括多條奈米纖維。In an embodiment of the invention, the plurality of meltblown fibers further includes a plurality of nanofibers.
在本發明的一實施方式中，每一上述的奈米纖維的直徑介於1 nm至1000 nm。In an embodiment of the invention, each of the above nanofibers has a diameter of from 1 nm to 1000 nm.
在本發明的一實施方式中，以上述的多條微米纖維和多條奈米纖維的總數量計，多條奈米纖維佔25%至55%。In an embodiment of the invention, the plurality of nanofibers comprise from 25% to 55%, based on the total number of the plurality of microfibers and the plurality of nanofibers.
在本發明的一實施方式中，上述的聚矽氮氟化合物為聚矽氮烷及全氟聚醚的共聚物。In one embodiment of the present invention, the polyfluorinated nitrogen compound is a copolymer of polyazane and perfluoropolyether.
在本發明的一實施方式中，以上述的聚矽氮烷及全氟聚醚的總重量計，全氟聚醚佔50%至80%。In one embodiment of the invention, the perfluoropolyether is from 50% to 80% by weight based on the total weight of the polyazide and the perfluoropolyether.
基於上述，本發明濾材透過包括熔噴不織布及包覆層，其中熔噴不織布包括彼此交錯的多條熔噴纖維，包覆層包覆每一熔噴纖維，包覆層的材質包括聚矽氮氟化合物，且包覆層的重量為3%至15%的熔噴不織布的重量，使得濾材能夠具有疏水性及疏油性，且對油霧具有良好的捕捉效果。Based on the above, the filter medium of the present invention comprises a melt-blown nonwoven fabric and a coating layer, wherein the melt-blown nonwoven fabric comprises a plurality of melt-blown fibers interlaced with each other, and the coating layer covers each melt-blown fiber, and the material of the coating layer comprises polyfluorene nitrogen. The fluorine compound, and the weight of the coating layer is 3% to 15% by weight of the melt-blown nonwoven fabric, so that the filter material can have hydrophobicity and oleophobicity, and has a good capturing effect on the oil mist.
為讓本發明的上述特徵和優點能更明顯易懂，下文特舉實施方式，並配合所附圖式作詳細說明如下。The above described features and advantages of the present invention will be more apparent from the following description.
在本文中，由「一數值至另一數值」表示的範圍，是一種避免在說明書中一一列舉該範圍中的所有數值的概要性表示方式。因此，某一特定數值範圍的記載，涵蓋該數值範圍內的任意數值以及由該數值範圍內的任意數值界定出的較小數值範圍，如同在說明書中明文寫出該任意數值和該較小數值範圍一樣。In the present specification, the range represented by "a value to another value" is a schematic representation that avoids enumerating all the values in the range in the specification. Therefore, the recitation of a particular range of values is intended to include any value in the range of values and the range of values defined by any value in the range of values, as in the specification. The scope is the same.
為了製備出具有疏水性及疏油性且對油霧具有良好的捕捉效果的濾材，本發明提出一種濾材，其可達到上述優點。以下，特舉實施方式詳細描述本發明的濾材，以作為本發明確實能夠據以實施的範例。In order to prepare a filter material which is hydrophobic and oleophobic and has a good catching effect on oil mist, the present invention proposes a filter material which achieves the above advantages. Hereinafter, the filter medium of the present invention will be described in detail by way of specific embodiments as an example in which the present invention can be practiced.
本發明的一實施方式提出的濾材包括熔噴不織布以及包覆層。The filter medium according to an embodiment of the present invention includes a melt blown nonwoven fabric and a coating layer.
熔噴不織布包括彼此交錯的多條熔噴纖維。換言之，在本實施方式中，在熔噴製程中，多條熔噴纖維會經過例如是加熱及壓合程序而以隨機方式彼此交錯及黏附而構成具有三維立體非織結構的熔噴不織布。在本實施方式中，多條熔噴纖維可為化學合成纖維。詳細而言，多條熔噴纖維的材質可包括聚烯烴、聚酯、聚醯胺或其組合，其中聚烯烴例如包括聚丙烯（polypropylene，PP）、聚乙烯（polyethylene，PE），聚酯例如包括聚對苯二甲酸乙二酯（polyethylene terephthalate，PET）、聚對苯二甲酸丁二酯（polybutylene terephthalate，PBT）、聚芳酯，聚醯胺例如包括尼龍（Nylon）。The meltblown nonwoven fabric includes a plurality of meltblown fibers interlaced with each other. In other words, in the present embodiment, in the melt-blown process, a plurality of melt-blown fibers are interlaced and adhered to each other in a random manner by, for example, heating and pressing processes to form a melt-blown nonwoven fabric having a three-dimensionally-shaped nonwoven structure. In the present embodiment, the plurality of meltblown fibers may be chemically synthesized fibers. In detail, the material of the plurality of meltblown fibers may include polyolefin, polyester, polyamide or a combination thereof, wherein the polyolefin includes, for example, polypropylene (PP), polyethylene (PE), polyester, for example. Including polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polyarylate, polyamine, for example, including nylon (Nylon).
在本實施方式中，熔噴纖維可以是連續不斷的長纖維或纖維長度大於3 mm的短纖維。在一實施方式中，多條熔噴纖維可以是多條微米纖維。也就是說，熔噴不織布可為具有微米結構的不織布。具體而言，所述微米纖維的直徑可介於1 µm至50 µm之間。在另一實施方式中，多條熔噴纖維可包括多條微米纖維及多條奈米纖維。也就是說，熔噴不織布可為具有微/奈米複合結構的不織布。具體而言，所述微米纖維的直徑可介於1 µm至50 µm之間，以及所述奈米纖維的直徑可介於1 nm至1000 nm。值得一提的是，在本實施方式中，當多條熔噴纖維包括多條微米纖維及多條奈米纖維時，以多條微米纖維和多條奈米纖維的總數量計，多條奈米纖維佔25%至55%，較佳佔28%至51%。詳細而言，若多條奈米纖維所佔比例低於25%、或極少、或甚至沒有奈米纖維存在，則濾材不具有良好的過濾品質；若多條奈米纖維所佔比例高於55 wt%或完全為奈米纖維（如靜電紡絲纖維膜），則濾材將產生極大的空氣阻抗或壓損而降低過濾效率。In this embodiment, the meltblown fibers may be continuous long fibers or staple fibers having a fiber length greater than 3 mm. In one embodiment, the plurality of meltblown fibers can be a plurality of microfibers. That is, the melt blown nonwoven fabric may be a nonwoven fabric having a micron structure. In particular, the microfibers may have a diameter between 1 μm and 50 μm. In another embodiment, the plurality of meltblown fibers can comprise a plurality of microfibers and a plurality of nanofibers. That is, the melt blown nonwoven fabric may be a non-woven fabric having a micro/nano composite structure. Specifically, the diameter of the microfibers may be between 1 μm and 50 μm, and the diameter of the nanofibers may be between 1 nm and 1000 nm. It is worth mentioning that, in the embodiment, when the plurality of melt-blown fibers comprise a plurality of micro-fibers and a plurality of nano-fibers, the plurality of micro-fibers and the plurality of nano-fibers, Rice fiber accounts for 25% to 55%, preferably 28% to 51%. In detail, if the proportion of the plurality of nanofibers is less than 25%, or very little, or even no nanofibers are present, the filter material does not have good filtration quality; if the proportion of the plurality of nanofibers is higher than 55 If the wt% or completely is a nanofiber (such as an electrospun fiber membrane), the filter material will generate a great air resistance or pressure loss and reduce the filtration efficiency.
包覆層包覆每一熔噴纖維。在本實施方式中，包覆層的重量為3%至15%的熔噴不織布的重量。A cladding coats each meltblown fiber. In the present embodiment, the weight of the coating layer is from 3% to 15% by weight of the melt-blown nonwoven fabric.
在本實施方式中，包覆層的材質包括聚矽氮氟化合物。詳細而言，在本實施方式中，聚矽氮氟化合物可為聚矽氮烷（polysilazane，PSZ）及全氟聚醚（perfluoropolyether，PFPE）的共聚物。在一實施方式中，聚矽氮烷例如包括以下式1所示的重複單元： 式1，其中R1及R2獨立地為羥基或甲基。在一實施方式中，全氟聚醚例如包括以下式2所示的重複單元及式3所示的重複單元： 式2， 式3，其中R為–(CH 2) 2Si(OCH 3) 3或–CF 3。 In the present embodiment, the material of the coating layer includes a polyfluorene fluorinated compound. In detail, in the present embodiment, the polyfluorene fluorinated compound may be a copolymer of polysilazane (PSZ) and perfluoropolyether (PFPE). In one embodiment, the polyazane includes, for example, a repeating unit represented by Formula 1 below: Formula 1, wherein R1 and R2 are independently a hydroxyl group or a methyl group. In one embodiment, the perfluoropolyether includes, for example, a repeating unit represented by Formula 2 below and a repeating unit represented by Formula 3: Equation 2, Formula 3 wherein R is -(CH 2 ) 2 Si(OCH 3 ) 3 or -CF 3 .
在一實施方式中，聚矽氮氟化合物的製備方法例如包括使聚矽氮烷與全氟聚醚進行熱聚合反應。在一實施方式中，以聚矽氮烷及全氟聚醚的總重量計，全氟聚醚可佔50%至80%，且聚矽氮烷可佔20%至50%。詳細而言，若全氟聚醚所佔比例高於80 %且聚矽氮烷所佔比例低於20%，則發生改質劑與不織布纖維基材接枝效果變差。In one embodiment, the method for preparing the polyfluorinated nitrogen compound includes, for example, thermally polymerizing polyazide with a perfluoropolyether. In one embodiment, the perfluoropolyether may comprise from 50% to 80% and the polyazane may comprise from 20% to 50%, based on the total weight of the polyoxazane and the perfluoropolyether. In detail, if the proportion of the perfluoropolyether is more than 80% and the proportion of the polyazane is less than 20%, the grafting effect of the modifier and the non-woven fabric substrate is deteriorated.
另外，在一實施方式中，聚矽氮氟化合物的製備方法例如包括在使聚矽氮烷與全氟聚醚進行熱聚合反應之前，將聚矽氮烷、全氟聚醚與載劑均勻混合，藉此可避免在空氣下穩定性不高的聚矽氮烷在進行熱聚合反應之前就先發生自聚反應。在一實施方式中，載劑例如是丙二醇甲醚醋酸酯（propylene glycol monomethyl ether acetate，PGMEA）。在一實施方式中，以聚矽氮烷、全氟聚醚及載劑的總重量計，聚矽氮烷與全氟聚醚總共佔15%至30%。In addition, in one embodiment, the method for preparing the polyfluorinated nitrogen compound includes, for example, uniformly mixing the polyazide, the perfluoropolyether, and the carrier before thermally polymerizing the polyazane with the perfluoropolyether. Thereby, the polyazane which is not stable under air can be prevented from undergoing self-polymerization reaction before the thermal polymerization reaction. In one embodiment, the carrier is, for example, propylene glycol monomethyl ether acetate (PGMEA). In one embodiment, the polyazide and the perfluoropolyether comprise a total of 15% to 30%, based on the total weight of the polyazane, the perfluoropolyether, and the carrier.
從另一觀點而言，在一實施方式中，包覆層的製備方法例如包括：將事先配製好的含有聚矽氮烷、全氟聚醚及載劑的混合物經由塗佈製程塗佈在熔噴不織布上後，對塗佈所述混合物的熔噴不織布進行加熱處理以使聚矽氮烷與全氟聚醚進行熱聚合反應，進而形成包覆熔噴不織布之每一熔噴纖維的包覆層。塗佈製程可包括所屬技術領域中具有通常知識者所周知的任何塗佈法，例如噴塗法、含浸法或氣相沉積法。From another point of view, in one embodiment, the preparation method of the coating layer includes, for example, coating a previously prepared mixture containing polyazide, a perfluoropolyether, and a carrier through a coating process in a melting process. After spraying the non-woven fabric, the melt-blown nonwoven fabric coated with the mixture is subjected to heat treatment to thermally polymerize the polyazide and the perfluoropolyether, thereby forming a coating of each meltblown fiber coated with the melt-blown nonwoven fabric. Floor. The coating process can include any coating method known to those of ordinary skill in the art, such as spray coating, impregnation, or vapor deposition.
值得說明的是，在本實施方式中，濾材透過包括熔噴不織布及包覆層，其中熔噴不織布包括彼此交錯的多條熔噴纖維，包覆層包覆每一熔噴纖維，包覆層的材質包括聚矽氮氟化合物，且包覆層的重量為3%至15%的熔噴不織布的重量，使得濾材能夠具有疏水性及疏油性。如此一來，濾材的表面或孔隙不會形成水幔或油膜，並且油霧在與濾材接觸後會產生凝聚現象而形成油滴進而排除，藉以達成良好的油霧捕捉效果，即良好的過濾效果。It should be noted that, in the embodiment, the filter material passes through the melt-blown nonwoven fabric and the coating layer, wherein the melt-blown nonwoven fabric comprises a plurality of melt-blown fibers interlaced with each other, and the coating layer covers each melt-blown fiber, and the coating layer The material includes polyfluorinated nitrofluoride, and the weight of the coating layer is 3% to 15% by weight of the melt-blown nonwoven fabric, so that the filter material can be hydrophobic and oleophobic. In this way, the surface or pores of the filter material will not form a water raft or an oil film, and the oil mist will form agglomeration after contact with the filter material to form oil droplets and then be eliminated, thereby achieving a good oil mist capturing effect, that is, a good filtering effect. .
下文將參照實施例1至實施例5及比較例1至比較例4，更具體地描述本發明的特徵。雖然描述了以下實施例，但是在不逾越本發明範疇之情況下，可適當地改變所用材料、其量及比率、處理細節以及處理流程等等。因此，不應由下文所述之實施例對本發明作出限制性地解釋。 實施例 1 Features of the present invention will be more specifically described below with reference to Embodiments 1 to 5 and Comparative Examples 1 to 4. Although the following examples are described, the materials used, the amounts and ratios thereof, the processing details, the processing flow, and the like can be appropriately changed without departing from the scope of the invention. Therefore, the invention should not be construed restrictively by the examples described below. Example 1
將聚對苯二甲酸乙二酯（由長春人造樹脂廠公司製造）進行熔噴製程，以製得由多條微米尺寸的熔噴纖維所構成的實施例1的熔噴不織布，其中熔噴的製程條件如下：紡嘴孔徑0.3 mm、單孔紡嘴吐出量0.2±0.005 g/hole/min、熱空氣氣流量5.6±0.3 m 3/min、熱空氣牽伸壓力5.5±0.2 kg/m 2，且熔噴纖維的直徑分布請參照圖1。 Polyethylene terephthalate (manufactured by Changchun Synthetic Resin Co., Ltd.) was subjected to a melt-blown process to obtain a melt-blown nonwoven fabric of Example 1 composed of a plurality of micron-sized melt-blown fibers, of which melt-blown process conditions were as follows: spinning nozzle aperture of 0.3 mm, a single hole discharge amount of the spinneret 0.2 ± 0.005 g / hole / min , air flow rate of the hot air is 5.6 ± 0.3 m 3 / min, pressure of hot air drawn 5.5 ± 0.2 kg / m 2, Please refer to Figure 1 for the diameter distribution of the meltblown fibers.
將聚矽氮烷（由默克股份有限公司製造）、全氟聚醚（由杜邦公司製造）與丙二醇甲醚醋酸酯（購買自于成公司）均勻混合，以形成一混合物，其中以聚矽氮烷、全氟聚醚及丙二醇甲醚醋酸酯的總重量計，聚矽氮烷與全氟聚醚總共佔15%；以及以聚矽氮烷及全氟聚醚的總重量計，全氟聚醚佔50%以及聚矽氮烷佔50%。Polyoxazane (manufactured by Merck & Co., Ltd.), perfluoropolyether (manufactured by DuPont) and propylene glycol methyl ether acetate (purchased from the company) were uniformly mixed to form a mixture in which polypeptone was obtained. The total weight of the nitroxane, perfluoropolyether and propylene glycol methyl ether acetate, the total weight of the polyazane and the perfluoropolyether is 15%; and the total weight of the polyazide and the perfluoropolyether, perfluoro Polyethers account for 50% and polyazane accounts for 50%.
將所述混合物以噴塗法塗佈於實施例1的熔噴不織布上後，進行加熱處理以使聚矽氮烷與全氟聚醚進行熱聚合反應而形成熔噴纖維上包覆有實施例1的包覆層的實施例1的濾材，其中加熱處理的溫度為140℃，且實施例1的包覆層的重量為14.53%的實施例1的熔噴不織布的重量。 實施例 2 After the mixture was applied to the melt-blown nonwoven fabric of Example 1 by a spray coating method, heat treatment was performed to thermally polymerize the polyazide and the perfluoropolyether to form a melt-blown fiber coated with Example 1 The filter material of Example 1 in which the temperature of the heat treatment was 140 ° C, and the weight of the coating layer of Example 1 was 14.53% of the weight of the melt blown nonwoven fabric of Example 1. Example 2
將聚對苯二甲酸乙二酯（由長春人造樹脂廠公司製造）進行熔噴製程，以製得由多條微米尺寸的熔噴纖維所構成的實施例2的熔噴不織布，其中熔噴的製程條件如下：紡嘴孔徑0.3 mm、單孔紡嘴吐出量0.16±0.005 g/hole/min、熱空氣氣流量5.6±0.3 m 3/min、熱空氣牽伸壓力5.5±0.2 kg/m 2，且熔噴纖維的直徑分布請參照圖2。 Polyethylene terephthalate (manufactured by Changchun Synthetic Resin Co., Ltd.) was subjected to a melt-blown process to obtain a melt-blown nonwoven fabric of Example 2 composed of a plurality of micron-sized meltblown fibers, of which meltblown The process conditions are as follows: the nozzle hole diameter is 0.3 mm, the single hole spout discharge amount is 0.16±0.005 g/hole/min, the hot air gas flow rate is 5.6±0.3 m 3 /min, and the hot air drafting pressure is 5.5±0.2 kg/m 2 . Please refer to Figure 2 for the diameter distribution of the meltblown fibers.
將聚矽氮烷（由默克股份有限公司製造）、全氟聚醚（由杜邦公司製造）與丙二醇甲醚醋酸酯（購買自于成公司）均勻混合，以形成一混合物，其中以聚矽氮烷、全氟聚醚及丙二醇甲醚醋酸酯的總重量計，聚矽氮烷與全氟聚醚總共佔15%；以及以聚矽氮烷及全氟聚醚的總重量計，全氟聚醚佔50%以及聚矽氮烷佔50%。Polyoxazane (manufactured by Merck & Co., Ltd.), perfluoropolyether (manufactured by DuPont) and propylene glycol methyl ether acetate (purchased from the company) were uniformly mixed to form a mixture in which polypeptone was obtained. The total weight of the nitroxane, perfluoropolyether and propylene glycol methyl ether acetate, the total weight of the polyazane and the perfluoropolyether is 15%; and the total weight of the polyazide and the perfluoropolyether, perfluoro Polyethers account for 50% and polyazane accounts for 50%.
將所述混合物以噴塗法塗佈於實施例2的熔噴不織布上後，進行加熱處理以使聚矽氮烷與全氟聚醚進行熱聚合反應而形成熔噴纖維上包覆有實施例2的包覆層的實施例2的濾材，其中加熱處理的溫度為140℃，且實施例2的包覆層的重量為5.46%的實施例2的熔噴不織布的重量。 實施例 3 After the mixture was applied to the melt-blown nonwoven fabric of Example 2 by a spray coating method, heat treatment was performed to thermally polymerize the polyazide and the perfluoropolyether to form a melt blown fiber coated with Example 2 The filter material of Example 2, wherein the temperature of the heat treatment was 140 ° C, and the weight of the coating layer of Example 2 was 5.46% by weight of the melt blown nonwoven fabric of Example 2. Example 3
將聚對苯二甲酸乙二酯（由長春人造樹脂廠公司製造）進行熔噴製程，以製得由多條微米尺寸及奈米尺寸的熔噴纖維所構成的實施例3的熔噴不織布，其中熔噴的製程條件如下：紡嘴孔徑0.3 mm、單孔紡嘴吐出量0.13±0.005 g/hole/min、熱空氣氣流量6.5±0.3 m 3/min、熱空氣牽伸壓力7.5±0.2 kg/m 2，熔噴纖維的直徑分布請參照圖3，且以微米纖維和奈米纖維的總數量計，奈米纖維佔28%以及微米纖維佔72%。 A polyethylene terephthalate (manufactured by Changchun Synthetic Resin Co., Ltd.) was subjected to a melt-blown process to obtain a melt-blown nonwoven fabric of Example 3 composed of a plurality of micron-sized and nano-sized melt-blown fibers. The process conditions of the melt blown are as follows: the nozzle hole diameter is 0.3 mm, the single hole spout discharge amount is 0.13±0.005 g/hole/min, the hot air gas flow rate is 6.5±0.3 m 3 /min, and the hot air drafting pressure is 7.5±0.2 kg. /m 2 , the diameter distribution of the meltblown fibers is shown in Figure 3, and in terms of the total number of microfibers and nanofibers, nanofibers account for 28% and microfibers account for 72%.
將聚矽氮烷（由默克股份有限公司製造）、全氟聚醚（由杜邦公司製造）與丙二醇甲醚醋酸酯（購買自于成公司）均勻混合，以形成一混合物，其中以聚矽氮烷、全氟聚醚及丙二醇甲醚醋酸酯的總重量計，聚矽氮烷與全氟聚醚總共佔15%；以及以聚矽氮烷及全氟聚醚的總重量計，全氟聚醚佔50%以及聚矽氮烷佔50%。Polyoxazane (manufactured by Merck & Co., Ltd.), perfluoropolyether (manufactured by DuPont) and propylene glycol methyl ether acetate (purchased from the company) were uniformly mixed to form a mixture in which polypeptone was obtained. The total weight of the nitroxane, perfluoropolyether and propylene glycol methyl ether acetate, the total weight of the polyazane and the perfluoropolyether is 15%; and the total weight of the polyazide and the perfluoropolyether, perfluoro Polyethers account for 50% and polyazane accounts for 50%.
將所述混合物以噴塗法塗佈於實施例3的熔噴不織布上後，進行加熱處理以使聚矽氮烷與全氟聚醚進行熱聚合反應而形成熔噴纖維上包覆有實施例3的包覆層的實施例3的濾材，其中加熱處理的溫度為140℃，且實施例3的包覆層的重量為6.33%的實施例3的熔噴不織布的重量。 實施例 4 After the mixture was applied to the melt-blown nonwoven fabric of Example 3 by a spray coating method, heat treatment was performed to thermally polymerize polyazide and perfluoropolyether to form a melt-blown fiber coated with Example 3 The filter material of Example 3, wherein the temperature of the heat treatment was 140 ° C, and the weight of the coating layer of Example 3 was 6.33% by weight of the melt blown nonwoven fabric of Example 3. Example 4
將聚對苯二甲酸乙二酯（由長春人造樹脂廠公司製造）進行熔噴製程，以製得由多條微米尺寸及奈米尺寸的熔噴纖維所構成的實施例4的熔噴不織布，其中熔噴的製程條件如下：紡嘴孔徑0.3 mm、單孔紡嘴吐出量0.10±0.005 g/hole/min、熱空氣氣流量6.9±0.3 m 3/min、熱空氣牽伸壓力7.5±0.2 kg/m 2，熔噴纖維的直徑分布請參照圖4，且以微米纖維和奈米纖維的總數量計，奈米纖維佔51%以及微米纖維佔49%。 A polyethylene terephthalate (manufactured by Changchun Synthetic Resin Co., Ltd.) was subjected to a melt-blown process to obtain a melt-blown nonwoven fabric of Example 4 composed of a plurality of micron-sized and nano-sized melt-blown fibers. wherein the meltblown process conditions are as follows: spinning nozzle aperture of 0.3 mm, a single hole spinneret discharge amount 0.10 ± 0.005 g / hole / min , air flow rate of the hot air is 6.9 ± 0.3 m 3 / min, pressure of hot air drawn 7.5 ± 0.2 kg /m 2 , the diameter distribution of meltblown fibers is shown in Figure 4, and in terms of the total number of microfibers and nanofibers, nanofibers account for 51% and microfibers account for 49%.
將聚矽氮烷（由默克股份有限公司製造的）、全氟聚醚（由杜邦公司製造）與丙二醇甲醚醋酸酯（購買自于成公司）均勻混合，以形成一混合物，其中以聚矽氮烷、全氟聚醚及丙二醇甲醚醋酸酯的總重量計，聚矽氮烷與全氟聚醚總共佔15%；以及以聚矽氮烷及全氟聚醚的總重量計，全氟聚醚佔50%以及聚矽氮烷佔50%。Polyoxazane (manufactured by Merck & Co., Ltd.), perfluoropolyether (manufactured by DuPont) and propylene glycol methyl ether acetate (purchased from the company) were uniformly mixed to form a mixture in which poly The total weight of decazane, perfluoropolyether and propylene glycol methyl ether acetate, 15% of the total weight of polyazane and perfluoropolyether; and the total weight of polyazane and perfluoropolyether, Fluoropolyethers account for 50% and polyazane accounts for 50%.
將所述混合物以噴塗法塗佈於實施例4的熔噴不織布上後，進行加熱處理以使聚矽氮烷與全氟聚醚進行熱聚合反應而形成熔噴纖維上包覆有實施例4的包覆層的實施例4的濾材，其中加熱處理的溫度為140℃，且實施例4的包覆層的重量為7.20%的實施例4的熔噴不織布的重量。 實施例 5 After the mixture was applied to the melt-blown nonwoven fabric of Example 4 by a spray coating method, heat treatment was performed to thermally polymerize polyazide and perfluoropolyether to form a melt blown fiber coated with Example 4 The filter material of Example 4, wherein the temperature of the heat treatment was 140 ° C, and the weight of the coating layer of Example 4 was 7.20% by weight of the melt blown nonwoven fabric of Example 4. Example 5
將聚對苯二甲酸乙二酯（由長春人造樹脂廠公司製造）進行熔噴製程，以製得由多條微米尺寸及奈米尺寸的熔噴纖維所構成的實施例5的熔噴不織布，其中熔噴的製程條件如下：紡嘴孔徑0.3 mm、單孔紡嘴吐出量0.10±0.005 g/hole/min、熱空氣氣流量6.9±0.3 m 3/min、熱空氣牽伸壓力7.5±0.2 kg/m 2，且以微米纖維和奈米纖維的總數量計，奈米纖維佔51%以及微米纖維佔49%。 A polyethylene terephthalate (manufactured by Changchun Synthetic Resin Co., Ltd.) was subjected to a melt-blown process to obtain a melt-blown nonwoven fabric of Example 5 composed of a plurality of micron-sized and nano-sized melt-blown fibers. The process conditions of the melt blown are as follows: the nozzle hole diameter is 0.3 mm, the single hole spout discharge amount is 0.10±0.005 g/hole/min, the hot air gas flow rate is 6.9±0.3 m 3 /min, and the hot air drafting pressure is 7.5±0.2 kg. /m 2 , and based on the total number of microfibers and nanofibers, nanofibers accounted for 51% and microfibers accounted for 49%.
將聚矽氮烷（由默克股份有限公司製造）、全氟聚醚（由杜邦公司製造）與丙二醇甲醚醋酸酯（購買自于成公司）均勻混合，以形成一混合物，其中以聚矽氮烷、全氟聚醚及丙二醇甲醚醋酸酯的總重量計，聚矽氮烷與全氟聚醚總共佔15%；以及以聚矽氮烷及全氟聚醚的總重量計，全氟聚醚佔50%以及聚矽氮烷佔50%。Polyoxazane (manufactured by Merck & Co., Ltd.), perfluoropolyether (manufactured by DuPont) and propylene glycol methyl ether acetate (purchased from the company) were uniformly mixed to form a mixture in which polypeptone was obtained. The total weight of the nitroxane, perfluoropolyether and propylene glycol methyl ether acetate, the total weight of the polyazane and the perfluoropolyether is 15%; and the total weight of the polyazide and the perfluoropolyether, perfluoro Polyethers account for 50% and polyazane accounts for 50%.
將所述混合物以噴塗法塗佈於實施例5的熔噴不織布上後，進行加熱處理以使聚矽氮烷與全氟聚醚進行熱聚合反應而形成熔噴纖維上包覆有實施例5的包覆層的實施例5的濾材，其中加熱處理的溫度為140℃，且實施例5的包覆層的重量為3.09%的實施例5的熔噴不織布的重量。 比較例 1 After the mixture was applied to the melt-blown nonwoven fabric of Example 5 by a spray coating method, heat treatment was performed to thermally polymerize polyazide and perfluoropolyether to form a melt-blown fiber coated with Example 5 The filter material of Example 5, wherein the temperature of the heat treatment was 140 ° C, and the weight of the coating layer of Example 5 was 3.09% by weight of the melt blown nonwoven fabric of Example 5. Comparative example 1
按照與實施例1相同的熔噴製造程序來製造比較例1的濾材，而差異僅在於：製得熔噴不織布後不進行混合物的製備及塗佈。也就是說，比較例1的濾材即為實施例1未經化學改質處理的熔噴不織布。 比較例 2 The filter material of Comparative Example 1 was produced in the same melt-blown manufacturing procedure as in Example 1, except that the preparation and coating of the mixture were not carried out after the melt-blown nonwoven fabric was produced. That is, the filter medium of Comparative Example 1 was the melt-blown nonwoven fabric of Example 1 which was not chemically modified. Comparative example 2
按照與實施例2相同的熔噴製造程序來製造比較例2的濾材，而差異僅在於：製得熔噴不織布後不進行混合物的製備及塗佈。也就是說，比較例2的濾材即為實施例2未經化學改質處理的熔噴不織布。 比較例 3 The filter material of Comparative Example 2 was produced in the same melt-blown manufacturing procedure as in Example 2 except that the preparation and coating of the mixture were not carried out after the melt-blown nonwoven fabric was produced. That is, the filter medium of Comparative Example 2 is the melt-blown nonwoven fabric of Example 2 which was not chemically modified. Comparative example 3
按照與實施例3相同的熔噴製造程序來製造比較例3的濾材，而差異僅在於：製得熔噴不織布後不進行混合物的製備及塗佈。也就是說，比較例3的濾材即為實施例3未經化學改質處理的熔噴不織布。 比較例 4 The filter material of Comparative Example 3 was produced in the same melt-blown manufacturing procedure as in Example 3, except that the preparation and coating of the mixture were not carried out after the melt-blown nonwoven fabric was produced. That is, the filter medium of Comparative Example 3 was the melt-blown nonwoven fabric of Example 3 which was not chemically modified. Comparative example 4
按照與實施例4相同的熔噴製造程序來製造比較例4的濾材，而差異僅在於：製得熔噴不織布後不進行混合物的製備及塗佈。也就是說，比較例4的濾材即為實施例4未經化學改質處理的熔噴不織布。The filter material of Comparative Example 4 was produced in the same melt-blown manufacturing procedure as in Example 4, except that the preparation and coating of the mixture were not carried out after the melt-blown nonwoven fabric was produced. That is, the filter medium of Comparative Example 4 is the melt blown nonwoven fabric of Example 4 which was not chemically modified.
之後，分別對實施例1至實施例4及比較例1至比較例4的濾材進行濾效及壓損的測試，以及分別對實施例4、實施例5及比較例4的濾材進行接觸角的量測。前述測試的說明如下，且測試結果顯示於表1及表2中。 ＜ 濾效及 壓損的測試 ＞ Thereafter, the filter materials of Examples 1 to 4 and Comparative Examples 1 to 4 were tested for filtration efficiency and pressure loss, and the filter materials of Example 4, Example 5, and Comparative Example 4 were respectively subjected to contact angles. Measure. The description of the foregoing test is as follows, and the test results are shown in Tables 1 and 2. < Test of filter efficiency and pressure loss >
對實施例1至實施例4及比較例1至比較例4的濾材，以下述方法進行濾效及壓損的測試。利用TSI公司製造的CertiTest®自動化濾材測試儀（Automated Filter Testers）（型號Tester model 3160），依據歐盟檢測標準EN 1822，分別量測前述濾材對經霧化後的癸二酸二乙基己酯（Di-Ethyl-Hexyl-Sebacat，DEHS）氣凝膠（aerosol）的過濾效果，其中測試流量為32 L/min，DEHS氣凝膠的粒徑為0.3 μm，測試結果顯示在下方表1中。 ＜ 接觸角 的量測 ＞ The filter materials of Examples 1 to 4 and Comparative Examples 1 to 4 were tested for filtration efficiency and pressure loss by the following methods. Using the CertiTest® Automated Filter Testers (model Tester model 3160) manufactured by TSI, the filter media was used to measure the atomized diethylhexyl sebacate (see the EU test standard EN 1822). Di-Ethyl-Hexyl-Sebacat, DEHS) Aerosol filtration, with a test flow rate of 32 L/min and a DEHS aerogel particle size of 0.3 μm. The test results are shown in Table 1 below. < Measurement of contact angle >
將水、煙霧油及切削油分別滴在實施例4、實施例5及比較例4的濾材上。待水、煙霧油以及切削油不再流動後，利用接觸角量測器（型號：Model TK-C1380U，由JVC公司製造）分別量測水、煙霧油及切削油與實施例4、實施例5及比較例4的濾材間的接觸角。量測結果顯示在下方表2中。Water, smog oil, and cutting oil were dropped on the filter materials of Example 4, Example 5, and Comparative Example 4, respectively. After the water, the smog oil, and the cutting oil are no longer flowing, the water, the smog oil, and the cutting oil are respectively measured by a contact angle measuring device (Model: Model TK-C1380U, manufactured by JVC Corporation) and Example 4, Example 5 And the contact angle between the filter materials of Comparative Example 4. The measurement results are shown in Table 2 below.
表1 濾效（%） 壓損（mmH2O） 實施例1 68.07±0.02 3.09±0.61 比較例1 3.12±0.99 0.98±0.01 實施例2 81.73±2.47 5.75±0.05 比較例2 36.55±1.06 2.66±0.09 實施例3 92.50±0.85 7.09±0.07 比較例3 59.90±1.06 6.59±0.29 實施例4 99.65±0.19 13.39±1.17 比較例4 70.15±0.51 10.65±0.09 Table 1 Filter efficiency (%) Pressure loss (mmH2O) Example 1 68.07±0.02 3.09±0.61 Comparative Example 1 3.12±0.99 0.98±0.01 Example 2 81.73±2.47 5.75±0.05 Comparative Example 2 36.55±1.06 2.66±0.09 Example 3 92.50 ±0.85 7.09±0.07 Comparative Example 3 59.90±1.06 6.59±0.29 Example 4 99.65±0.19 13.39±1.17 Comparative Example 4 70.15±0.51 10.65±0.09
表2 接觸角（度） 水 煙霧油 切削油 實施例4 143±1 134±1 122±1 實施例5 124±1 121±1 99±1 比較例4 119±1 103±1 0±0 Table 2 Contact angle (degrees) water smoke oil cutting oil Example 4 143±1 134±1 122±1 Example 5 124±1 121±1 99±1 Comparative Example 4 119±1 103±1 0±0
由上述表1可知，與不包括材質包含聚矽氮氟化合物的包覆層的比較例1至比較例4的濾材相比，包括材質包含聚矽氮氟化合物的包覆層的實施例1至實施例4的濾材具有良好的濾效且適當的壓損，其中實施例4的濾材的濾效高達約99.65%且壓損僅約13.39 mmH 2O。此結果顯示，透過材質包括聚矽氮氟化合物的包覆層包覆每一熔噴纖維，且所述包覆層的重量為3%至15%的熔噴不織布的重量，使得濾材對油霧具有良好的捕捉效果。 As can be seen from the above Table 1, Example 1 to the coating material including the polyfluorinated nitrofluoride compound was used as compared with the filter material of Comparative Example 1 to Comparative Example 4, which did not include a coating layer containing a polyfluorinated fluorocarbon compound. The filter material of Example 4 had good filtration efficiency and appropriate pressure loss, wherein the filter material of Example 4 had a filtration efficiency of up to about 99.65% and a pressure loss of only about 13.39 mm H 2 O. The result shows that each meltblown fiber is coated with a coating material comprising a polyfluorene fluorinated compound, and the weight of the coating layer is 3% to 15% of the weight of the meltblown nonwoven fabric, so that the filter material is oil mist. Has a good capture effect.
另外，由上述表2可知，在包括材質包含聚矽氮氟化合物的包覆層的實施例4及實施例5的濾材上，水、煙霧油及切削油的接觸角皆明顯大於90度。此結果顯示，透過材質包括聚矽氮氟化合物的包覆層包覆每一熔噴纖維，且所述包覆層的重量為3%至15%的熔噴不織布的重量，使得濾材能夠同時具有疏水性及疏油性。反觀不包括材質包含聚矽氮氟化合物的包覆層的比較例4的濾材，切削油在其上的接觸角為0度，表現出高度的親油性。此表示，比較例4的濾材表現出極差的拒油特性。Further, as is apparent from the above Table 2, in the filter materials of Examples 4 and 5 including the coating layer containing the polyfluorinated fluorocarbon compound, the contact angles of water, smog oil and cutting oil were significantly larger than 90 degrees. This result shows that each meltblown fiber is coated with a coating material comprising a polyfluorene fluorinated compound, and the weight of the coating layer is 3% to 15% of the weight of the meltblown nonwoven fabric, so that the filter material can have both Hydrophobic and oleophobic. On the other hand, the filter material of Comparative Example 4 in which the material contained the coating layer of the polyfluorene fluorinated compound was not included, and the contact angle of the cutting oil thereon was 0 degree, showing a high lipophilicity. This indicates that the filter material of Comparative Example 4 exhibited extremely poor oil repellency characteristics.
綜上所述，本發明濾材透過包括熔噴不織布及包覆層，其中熔噴不織布包括彼此交錯的多條熔噴纖維，包覆層包覆每一熔噴纖維，包覆層的材質包括聚矽氮氟化合物，且包覆層的重量為3%至15%的熔噴不織布的重量，使得濾材能夠具有疏水性及疏油性，且對油霧具有良好的捕捉效果。如此一來，本發明的濾材適合應用在先進材料加工製程或精密加工製程中以解決懸浮油霧的問題，亦即本發明的濾材適合應用在油霧凝結過濾器、油氣分離過濾器、油水凝結過濾器等中。In summary, the filter medium of the present invention comprises a melt-blown nonwoven fabric and a coating layer, wherein the melt-blown nonwoven fabric comprises a plurality of melt-blown fibers interlaced with each other, and the coating layer covers each melt-blown fiber, and the material of the coating layer comprises poly Niobium fluoride compound, and the weight of the coating layer is 3% to 15% of the weight of the melt-blown nonwoven fabric, so that the filter material can have hydrophobicity and oleophobicity, and has a good capturing effect on oil mist. In this way, the filter material of the present invention is suitable for application in an advanced material processing process or a precision processing process to solve the problem of suspended oil mist, that is, the filter material of the present invention is suitable for application in an oil mist condensation filter, an oil and gas separation filter, and oil water condensation. Filters, etc.
雖然本發明已以實施方式揭露如上，然其並非用以限定本發明，任何所屬技術領域中具有通常知識者，在不脫離本發明的精神和範圍內，當可作些許的更動與潤飾，故本發明的保護範圍當視後附的申請專利範圍所界定者為準。The present invention has been disclosed in the above embodiments, but it is not intended to limit the invention, and any one of ordinary skill in the art can make some changes and refinements without departing from the spirit and scope of the invention. The scope of the invention is defined by the scope of the appended claims.
無no
圖1是實施例1的熔噴不織布的熔噴纖維的平均直徑分布圖。 圖2是實施例2的熔噴不織布的熔噴纖維的平均直徑分布圖。 圖3是實施例3的熔噴不織布的熔噴纖維的平均直徑分布圖。 圖4是實施例4的熔噴不織布的熔噴纖維的平均直徑分布圖。Fig. 1 is a graph showing the average diameter distribution of melt blown fibers of the melt blown nonwoven fabric of Example 1. Fig. 2 is a graph showing the average diameter distribution of melt blown fibers of the melt blown nonwoven fabric of Example 2. Fig. 3 is a graph showing the average diameter distribution of the melt blown fibers of the melt blown nonwoven fabric of Example 3. Fig. 4 is a graph showing the average diameter distribution of melt blown fibers of the melt blown nonwoven fabric of Example 4.
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